Hardhat suspension adapter for half facepiece respirators



FIG. 1 is a back perspective view showing a new design for a hardhat suspension adapter for half facepiece respirators;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings show unclaimed features of the hardhat suspension adapter for half facepiece respirators and form no part of the claimed design. The dot-dash broken lines form a boundary of the claimed design and do not form a part of the claimed design. 

CLAIM The ornamental design for a hardhat suspension adapter for half facepiece respirators, as shown and described. 